/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the 'License') you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import org.apache.nifi.controller.AbstractControllerService
import org.apache.nifi.record.sink.RecordSinkService
import org.apache.nifi.serialization.WriteResult
import org.apache.nifi.serialization.record.RecordSet


class GroovyRecordSink extends AbstractControllerService implements RecordSinkService {

    @Override
    WriteResult sendData(RecordSet recordSet, Map<String, String> attributes, boolean sendZeroResults) throws IOException {
        attributes['newAttr'] = 'I am now set.'
        int recordCount = 0
        def record
        while(recordSet.next()) {
            recordCount++
        }
        return WriteResult.of(recordCount, attributes)
    }
}
recordSink = new GroovyRecordSink()
